AISI 8640 Alloy Steel Chemical Composition & Properties, Grade, Charts and Pdf
AISI 8640 alloy steel is a versatile material which pairs high strength with outstanding mechanical properties. Its chemical makeup usually holds carbon, manganese, silicon, chromium, nickel, molybdenum, and other materials as some of those guest chemicals which are always among the effective materials in various fields of use. 8640 AISI signal, will give you a steel material that has above-average hardness and wear resistance it is why it can be used in very tough industrial conditions. Their parameters can be augmented by the adequately selected heat-treatment methods. Complete tables, graphical chart and PDF documents are available for a thorough description of the alloy's chemical makeup, mechanical properties, and application guidelines, imparting the basis for the engineers, researchers, and factory owners to use it in their work correctly.
AISI 8640 Alloy Steel Chemical Composition And Grade Table
AISI 8640 is a multipurpose high strength alloy steel with great strength to density ratio, which is a reason why it is used in such industries as automotive, aerospace, and machinery. This chemical compound contains about drupe elements like carbon, cobalt, silicon, sulfur, phosphorus, chrome, nickel, molybdenum and vanadium for the purpose of mixing them to receive the special properties. These offered by this steel grade includes high hardenability and it can be heat treated for increased mechanical features. A complete grade table, containing all the criteria, enables engineers and manufacturers to precisely select AISI 8640 for their specific needs.
| Elements | Manganese, Mn | Nickel, Ni | Chromium, Cr | Carbon, C | Silicon, Si | Molybdenum, Mo | Sulfur, S | Phosphorus, P | Iron, Fe |
|---|---|---|---|---|---|---|---|---|---|
| Min (%) | 0.75 | 0.4 | 0.4 | 0.38 | 0.15 | 0.15 | - | - | - |
| Max (%) | 1 | 0.7 | 0.6 | 0.43 | 0.3 | 0.25 | 0.04 (max) | 0.035 (max) | Balance |
Advantages and Disadvantages of AISI 8640 Alloy Steel
High Strength: Offers high resistance to failure after proper heat treatment.
Good Fatigue Resistance: Shows good fatigue strength under cyclic loading.
Impact Resistance: Provides good impact resistance due to alloying elements.
Suitable for Heavy-duty Applications: Used in applications requiring high performance and durability.
Advantages:
Complex Heat Treatment: Requires precise heat treatment control for desired mechanical properties.
Cost: Typically more expensive compared to lower alloy steels.
Welding Challenges: May be difficult to weld, requiring careful handling to prevent cracking.
Limited Availability: Availability in terms of selection, size, and form may be limited compared to more common steel grades.
Disadvantages:
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